CN115327241B - Capacitance detection device and detection method thereof - Google Patents
Capacitance detection device and detection method thereof Download PDFInfo
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- CN115327241B CN115327241B CN202211249357.4A CN202211249357A CN115327241B CN 115327241 B CN115327241 B CN 115327241B CN 202211249357 A CN202211249357 A CN 202211249357A CN 115327241 B CN115327241 B CN 115327241B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/38—Collecting or arranging articles in groups
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2688—Measuring quality factor or dielectric loss, e.g. loss angle, or power factor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
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Abstract
The invention relates to a capacitance detection device and a detection method thereof, wherein the capacitance detection device comprises a base, a main turret structure arranged on the base, a feeding mechanism, an appearance detection mechanism, an electrical property testing mechanism, an electric leakage detection mechanism, a braid packaging mechanism and a swinging disc packaging mechanism which are sequentially arranged around the main turret structure, wherein the main turret structure is used for absorbing a capacitor on a previous station and transferring the capacitor to a next station, the feeding mechanism is used for providing the capacitor to the lower part of the main turret structure for absorption by the main turret structure, the appearance detection mechanism is used for detecting the appearance of the capacitor, the electrical property testing mechanism is used for testing the capacity loss performance of the capacitor, the electric leakage detection mechanism is used for detecting whether the capacitor leaks electricity, the braid packaging mechanism carries out banding packaging on a detected product, and the swinging disc packaging mechanism carries out disc packaging on the detected product. Each mechanism of the capacitance detection device surrounds the main turret structure, so that the layout space is saved, the actions of each mechanism are more compact and coherent, and the detection efficiency can be greatly improved.
Description
Technical Field
The invention relates to the field of detection of electronic components, in particular to a capacitance detection device and a detection method thereof.
Background
After the capacitor is manufactured, parameter tests of electrical properties, such as capacity parameters, loss tests, leakage current tests, voltage withstanding tests and the like, are required to be performed, and currently, a common capacitor detection device is integrally arranged in a linear pipeline mode, so that the occupied space is large, for example, a capacitor detection device disclosed in CN109872876A adopts a linear structure layout, the butt joint of actions of all stations is not compact and coherent enough, so that the whole detection efficiency is not high, especially, the appearance of the capacitor needs to be detected before the electrical property is detected, the current capacitor appearance detection device is basically independent of a testing machine or a testing line and is independently arranged, for example, a capacitor appearance detection mechanism disclosed in the CN 412096940U patent is incapable of continuously and quickly detecting, so that the electrical property detection efficiency of the whole capacitor detection device is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the capacitance detection device capable of saving layout space and improving electrical property detection efficiency is provided.
The invention is realized by the following technical scheme:
a capacitor detection device comprises a base, a main turret structure arranged on the base, a feeding mechanism, an appearance detection mechanism, an electrical property testing mechanism, an electric leakage detection mechanism and a packaging mechanism, wherein the feeding mechanism, the appearance detection mechanism, the electrical property testing mechanism, the electric leakage detection mechanism and the packaging mechanism are sequentially arranged around the main turret structure;
the appearance detection mechanism comprises a camera module and a base body mechanism for shooting, wherein the base body mechanism for shooting is arranged below the camera module and comprises a base, an air guide disc, a first negative pressure generating assembly and a second negative pressure generating assembly, a top plate is arranged at the top of the base, the air guide disc is fixedly arranged on the top plate of the base, a negative pressure air groove section and an air taking and placing groove section which are annularly arranged and are not communicated are arranged on the top surface of the air guide disc, the camera module is correspondingly formed into a shooting station at one position above the negative pressure air groove section, a taking and placing station is formed at one position, opposite to the shooting station, on the air taking and placing groove section, the first negative pressure generating assembly is communicated with the negative pressure air groove section, the first negative pressure generating assembly maintains the negative pressure air groove section at a negative pressure to suck and install the capacitor in the placing groove, the second negative pressure generating assembly is communicated with the air taking and placing air groove section, and the second negative pressure generating assembly is switched through air pressure to realize that the capacitor at the taking and placing station is fixedly sucked and taken out when being placed or removed when being moved;
the seat body mechanism for shooting further comprises a groove cleaning assembly, the groove cleaning assembly comprises a support and an air blowing unit, the air blowing unit is supported by the support, the height and the swing angle of the air blowing unit are adjustable, the air blowing direction of the air blowing unit faces to the picking and placing station, and further air blowing is carried out after the capacitor of the picking and placing station is taken away by the suction unit, so that the picking and placing station is further cleaned;
the appearance detection mechanism further comprises a defective product collecting structure, the defective product collecting structure comprises a fixed cabinet frame, a material receiving box which is installed in the fixed cabinet frame in a drawable mode, and a material guide pipe which is installed at the top end of the fixed cabinet frame, and a proximity switch is arranged on the fixed cabinet frame and used for judging the in-place state of the material receiving box when the material receiving box is installed in the fixed cabinet frame;
the electrical property testing mechanism comprises a regular positive structure and an electrical property detecting structure, the regular positive structure comprises a box body, a clamping assembly and a position sensing assembly, the clamping assembly comprises a barrel seat, a clamping strip, a jacking rod, a side-push reset spring, a bearing and a lower push reset spring, the barrel seat is installed on the box body, the clamping strip is hinged on the peripheral wall of the barrel seat, a plurality of regulating blocks are radially installed at the top end of the clamping strip, the tail ends of the regulating blocks enclose a clamping space for placing a capacitor, the lower end of the clamping strip is connected to the peripheral wall of the lower end of the barrel seat through the side-push reset spring, the bearing is installed on the bottom surface of the regulating block, a plurality of bearings enclose a propping space matched with the top end of the jacking rod, the lower push reset spring is sleeved on the jacking rod, the upper end of the lower push reset spring props against the bottom surface of the box body, the bottom end of the jacking rod is fixedly connected with a shaft sleeve, the lower end of the lower push reset spring props against the shaft sleeve, so that the lower push reset spring is in a compression state, the lower push reset spring provides restoring force for keeping the jacking rod to move downwards, and the jacking rod keeps the jacking rod to be propped against the cam; the position sensing assembly is arranged on the periphery of the upper end of the cylinder seat, protrudes out of the top surface of the cylinder seat and is used for detecting whether the capacitor is located in the clamping space or not; the regular righting structure comprises a first longitudinal and transverse adjusting sliding table and a first plug-in pallet which is installed on the base in a plug-in manner, the first longitudinal and transverse adjusting sliding table is installed on the first plug-in pallet, and the box body is installed on the first longitudinal and transverse adjusting sliding table;
the electrical property detection structure comprises a mounting seat capable of performing height adjustment, an electrical property detection jig arranged on the mounting seat, a second longitudinal and transverse adjustment sliding table and a second plug-in board table which can be installed on the base in a plug-in mode, wherein the electrical property detection jig is provided with a detection groove for placing capacitance detection, the mounting seat is installed on the second longitudinal and transverse adjustment sliding table, and the second longitudinal and transverse adjustment sliding table is installed on the second plug-in board table.
In addition, the invention provides a detection method of the capacitance detection device, which comprises the following steps:
the feeding mechanism transmits the capacitor to be tested to the position below the main turret structure;
the main turret structure absorbs the capacitors to be transferred and placed to an appearance detection station, appearance detection is carried out, capacitors with poor appearance are eliminated, and qualified capacitors are absorbed and sent to an electrical property test station through the main turret structure;
the electrical property testing mechanism tests the capacity loss property of the capacitor; rejecting capacitors with poor electrical performance, and sucking and sending qualified capacitors to an electric leakage detection station through a main turret structure; rejecting capacitors with poor electric leakage, and sucking qualified capacitors through a main turret structure and sending the capacitors to a packaging station;
and packaging the tested capacitor by a packaging mechanism.
Compared with the prior art, the invention has the following beneficial effects: each mechanism of the capacitance detection device surrounds the main turret structure, so that the layout space is saved, the actions of each mechanism are more compact and coherent, and the appearance detection mechanism smoothly connects the feeding mechanism with the electrical property testing mechanism by arranging the feeding mechanism, the appearance detection mechanism and the electrical property testing machine on the outer peripheral side of the main turret so as to improve the detection efficiency; and appearance detection mechanism is through offering the negative pressure gas groove section that is an annular and arranges and both do not communicate and getting at air guide plate top surface and put the gas groove section to correspond respectively and connect first negative pressure and take place subassembly and second negative pressure and take place the subassembly, realize carrying to camera module below detection under the electric capacity coherently, greatly improved outward appearance detection efficiency.
Drawings
FIG. 1 is a perspective view of a capacitance measuring device according to the present invention;
FIG. 2 is a top view of the capacitance detection device shown in FIG. 1;
FIG. 3 is a perspective view of the main rotating platform of the capacitance measuring device shown in FIG. 1;
fig. 4 is a perspective view of an appearance detecting device of the capacitance detecting device shown in fig. 1;
FIG. 5 is a perspective view of a lens holder mechanism of the appearance inspection apparatus shown in FIG. 4;
FIG. 6 is a cross-sectional view of the chart of FIG. 5;
FIG. 7 is a perspective view of a defective product collecting structure of the capacitance detecting apparatus shown in FIG. 1;
fig. 8 is a perspective view of a regular righting structure of an electrical performance testing mechanism of the capacitance detection device shown in fig. 1.
FIG. 9 is a partial cross-sectional view of the structured righting structure shown in FIG. 8;
fig. 10 is a perspective view of an electrical property testing structure of the electrical property testing mechanism of the capacitance testing device shown in fig. 1.
The reference numerals are explained below:
10-a stand; 20-a main turret structure; 30-a feeding mechanism; 40-appearance detection means; 50-an electrical property testing mechanism; 60-a leakage detection mechanism; 70-a swinging plate packaging mechanism; 80-a braid packaging mechanism; 21-a main turret; 22-a suction unit; 41-a camera mechanism; 42-a shooting seat body mechanism; 411-camera module base; 412-installing a sliding table; 413-a camera module; 4131-a camera; 4132-lens; 4133-a light source; 421-a base; 422-air guide disc; 423-rotating cover; 424-rotating cover driving motor; 425-a first negative pressure generating assembly; 426-a second negative pressure generating assembly; 4211-top plate; 4221-negative pressure air tank section; 4222-taking out air discharging groove section; 4231-placing groove; 4232-air passing holes; 4261-solenoid valve island; 427-a clearing assembly; 4271-bracket; 4272-a blowing unit; 43-a defective collection structure; 431-a fixed cabinet frame; 432-a material receiving box; 433-a material guide pipe; 4311-proximity switch; 51-regular orthosteric structure; 52-electrical detection structure; 511-box body; 512-a clamping assembly; 513-position regulating motor; 514-position rotating motor; 5121-cartridge holder; 5122-a clamping bar; 5123-lifting rod; 5124-push the return spring laterally; 5125-a bearing; 5126-push down return spring; 5127-gauge block; 5131-cam; 5130-rotating the tray; 515-a position sensing component; 516-a first cross adjustment slide; 517-a first plug board table; 521-a mounting seat; 522-electrical detection tool; 5221-a detection tank; 523-second longitudinal and transverse adjustment slide; 524-second patch panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, a capacitance detecting apparatus according to a preferred embodiment of the present invention includes a base 10, a main turret structure 20 disposed on the base 10, a feeding mechanism 30, an appearance detecting mechanism 40, an electrical performance testing mechanism 50, an electrical leakage detecting mechanism 60, and a packaging mechanism, which are sequentially disposed around the main turret structure 20. The main turret structure 20 is used for absorbing capacitors at a previous station and transferring the capacitors to a next station, the feeding mechanism 30 is used for providing the capacitors to the lower portion of the main turret structure 20 for the absorption of the main turret structure 20, the appearance detection mechanism 40 is used for detecting the appearance of the capacitors and rejecting the defects, good products enter the next station, the electrical performance testing mechanism 50 is used for testing the capacity loss performance of the capacitors, the electrical leakage detection mechanism 60 is used for detecting whether the capacitors have poor electrical leakage, the packaging mechanism comprises a swinging disc packaging mechanism 70 and a braid packaging mechanism 80, the swinging disc packaging mechanism 70 is used for packaging the detected qualified products in a disc one by one, the braid packaging mechanism 80 packages the detected qualified products in a disc one by one, and the qualified products are packaged and sent out, and a no-load producer can select the swinging disc packaging mechanism 70 to be packaged in a disc or select the braid packaging mechanism 80 to be packaged in a band shape according to the packaging requirements.
Referring to fig. 3, the main turret structure 20 includes a main turret 21 and a plurality of suction units 22 installed around the main turret 21 at equal intervals, and the suction units 22 are driven to rotate by the rotation of the main turret 21, so that the suction units 22 can transfer the suction capacitors on the previous station to the next station. In this embodiment, 40-60 suction units 22 are installed on the outer periphery of the main turret 21 at equal intervals, and vacuum and positive pressure are switched to suck the capacitor product during rotation.
Referring to fig. 4-6, the appearance inspection mechanism 40 includes a camera mechanism 41 and a camera seat mechanism 42, the camera mechanism 41 includes a camera module seat 411, an installation sliding table 412 and a camera module 413, the camera module 413 is installed at the upper end of the camera module seat 411 through the installation sliding table 412, and the installation sliding table 412 can slide up and down for adjusting the height of the camera module 413 and ensuring visual focusing; the camera module 413 includes a camera 4131, a lens 4132 and a light source 4133, and the light source 4133 is located at a lower end of the camera module 413 to provide sufficient light brightness for the capacitor on the camera body mechanism 42 during photographing.
The camera seat body mechanism 42 is installed below the camera module 413 and comprises a base 421, an air guide disc 422, a rotary cover 423, a rotary cover driving motor 424, a first negative pressure generating assembly 425 and a second negative pressure generating assembly 426, wherein a top plate 4211 is arranged at the top of the base 421, the air guide disc 422 is fixedly installed on the top plate 4211, a negative pressure air groove section 4221 and a pick-and-place air groove section 4222 which are annularly arranged are formed in the top surface of the air guide disc 422, the negative pressure air groove section 4221 is not communicated with the pick-and-place air groove section 4222, the negative pressure air groove section 4221 occupies at least 3/4 of the length of the whole annular groove, preferably, the length of the whole annular groove is close to the length of the whole annular groove, the air groove section 4222 is only provided with a pick-and place hole, the camera module 413 is positioned at a position above the negative pressure air groove section 4221 and correspondingly forms a shooting position, and a position opposite to the shooting position on the pick-and place air groove section 4222 is formed as a pick-and place position; the rotary cover 423 is rotatably covered on the top surface of the air guide disc 422, the negative pressure air groove 4221 on the top surface of the air guide disc 422 is sealed with the air taking and placing groove 4222, a plurality of annular placing grooves 4231 are arranged on the top surface of the rotary cover 423 at equal intervals for placing capacitors, preferably, the number of the placing grooves 4231 is 4, the placing grooves are respectively arranged in four directions, air passing holes 4232 are arranged at the bottoms of the placing grooves 4231 and are correspondingly communicated with the negative pressure air groove 4221 or the air taking and placing groove 4222, in the embodiment, preferably, mounting blocks (not shown in the drawing) are fixedly arranged on the placing grooves 4231, fixing grooves matched with the shapes of the corresponding capacitors are arranged on the mounting blocks for placing the capacitors, through holes are arranged at the bottoms of the fixing grooves for communicating with the air passing holes 4232, and therefore, appropriate mounting blocks can be replaced according to different sizes of the capacitors, and the detection device is suitable for capacitors with different shapes.
The cover rotating driving motor 424 is installed on the bottom surface of the top plate 4211 of the base 421, a motor shaft of the cover rotating driving motor 424 penetrates through the top plate 4211 and the air guide disc 422 to be fixedly connected with the cover rotating 423, so as to drive the cover rotating 423 to rotate, the placing grooves 4231 on the top surface of the cover rotating 423 sequentially and correspondingly rotate, if the cover rotating driving motor rotates to a taking and placing station, a capacitor product is taken and placed, and if the cover rotating station rotates to the taking and placing station, the capacitor product is taken and placed, and if the taking and placing station is set to be a positioning 1# station, the capacitor product is taken and placed, the taking station opposite to the taking and placing station is set to be a 3# station, the camera module 413 takes a picture, in the embodiment, the 4 placing grooves are 2# station and 4# station, during the operation, the suction unit 22 of the main turret structure 20 places a capacitor on the 1# station, then the cover rotating 423 rotates to drive the capacitor to rotate to the 3# station, and the capacitor is taken a picture, and after the capacitor taking picture finishes rotating to the 1# station, the suction unit 22 of the main turret structure 20 takes away the capacitor. The rotary cover 423 rotates clockwise ceaselessly to realize that 1# station, 2# station, 3# station, 4# station realize in proper order a detection cycle's function, and when 1# station was got and is put electric capacity, 3# station was shooing simultaneously, and 2# station, 4# station are vacant.
It can be understood that the 2# station, the 3# station and the 4# station on the negative pressure air groove 4221 only need to ensure that the capacitor product is stably adsorbed on the rotary cover 423, and the 1# station (i.e. the taking and placing station) needs to take and place the capacitor, needs the negative pressure adsorption when placed, and needs to immediately relieve the negative pressure when taken out. Therefore, the lens holder mechanism 42 is provided with the first negative pressure generating assembly 425 and the second negative pressure generating assembly 426, respectively, to achieve the above-mentioned functions. The first negative pressure generating assembly 425 is communicated with the negative pressure air groove section 4221 and provides continuous negative pressure for the negative pressure air groove section 4221, when the rotary cover 423 rotates, the first negative pressure generating assembly 425 maintains the 2# station, the 3# station and the 4# station on the negative pressure air groove section to be in negative pressure so as to stably suck the capacitor, the capacitor rotates to the 3# station (namely a shooting station) to shoot, appearance detection is achieved, the second negative pressure generating assembly 426 is communicated with the picking and placing air groove section 4222, the second negative pressure generating assembly 426 comprises an electromagnetic valve island 4261 and is used for instantly switching vacuum/positive pressure, and the second negative pressure generating assembly 426 achieves fixed suction when the capacitor at the picking and placing station is placed or is released from suction and taken out through air pressure switching.
Further, the capacitor after appearance detection is taken and placed in the station to ensure that the capacitor is taken away by the absorption unit 22 in time, and the capacitor cannot be left in the placing groove 4231, otherwise, the placing of the next capacitor to be detected is influenced. The seat body mechanism 42 for shooting still further comprises a groove cleaning component 427, the groove cleaning component 427 comprises a support 4271 and an air blowing unit 4272, the air blowing unit 4272 is supported by the support 4271, the height and the swing angle are adjustable, the air blowing direction of the air blowing unit 4272 faces to the picking and placing station so as to further blow air after the capacitor of the picking and placing station is taken away by the suction unit 22, the picking and placing station is further cleaned, the capacitor which is not successfully sucked and left in the picking and placing station can be prevented from being effectively grabbed and moved by the suction unit 22, the placement of the capacitor to be detected is influenced, and the air blowing unit 4272 can ensure that the capacitor which is not successfully sucked and left in the picking and placing station is blown out. Specifically, after the suction unit 22 takes away the capacitor, the air blowing unit 4272 is activated to perform air blowing cleaning on the 1# station after an interval of about 10ms, and then the next capacitor to be tested is placed on the 1# station after an interval of 10 ms.
Referring to fig. 7, the appearance inspection mechanism 40 further includes a defective product collecting structure 43, the defective product collecting structure 43 includes a fixed frame 431, a material receiving box 432 removably installed in the fixed frame 431, and a material guiding pipe 433 installed at a top end of the fixed frame 431, a capacitor detected to have a defective appearance is inserted into the defective product collecting structure 43 through the suction unit 22, specifically, the suction unit 22 inserts the defective capacitor into the material guiding pipe 433, the material guiding pipe 433 guides the capacitor into the material receiving box 432, and when the defective capacitor is collected to a certain amount, the material receiving box 432 is removed, and the defective capacitor is sent to a defective product processing link. Further, an approach switch 4311 is disposed on the fixed cabinet frame 431 and is used for detecting whether the material receiving box 432 is pushed in place when the material receiving box 432 is pushed in. In the specific action process, the bad capacitors fall from the upper part, fall into the cavity of the material collecting box 432 through the pipe orifice of the material guide pipe 433, the handle of the material collecting box 432 is pulled after the materials are full, the material collecting box 432 is pushed into the fixed cabinet frame 431 to the bottom after the materials are poured out, and the proximity switch 4311 receives a signal to indicate that the material collecting box 432 is pushed in place.
Referring to fig. 8 and 9, the electrical performance testing mechanism 50 includes a regular alignment structure 51 and an electrical performance testing structure 52, the regular alignment structure 51 is used to adjust the capacitance and adjust the orientation, so as to ensure that the appearance structure and the orientation of the capacitance can be accurately shifted to the electrical performance testing structure 52, and the electrical performance testing structure 52 is used to test the capacitance loss and other performances of the capacitance. The regulating and aligning structure 51 includes a box 511, a clamping assembly 512 mounted on the top of the box 511, an aligning assembly (not shown), and a position regulating motor 513 and a position rotating motor 514 mounted on the outer side of the box 511.
The clamping assembly 512 comprises a cylinder seat 5121, a clamping strip 5122, a jacking rod 5123, a side-push return spring 5124, a bearing 5125 and a lower-push return spring 5126, wherein the cylinder seat 5121 is installed on the top wall of the box 511, a clearance groove (not shown) is oppositely formed in the peripheral wall of the upper end of the cylinder seat 5121, the clamping strip 5122 is hinged to the peripheral wall of the cylinder seat 5121, so that the clamping strip 5122 swings around the hinged part and the upper end of the clamping strip swings into the clearance groove, the clamping strips 5122 are oppositely arranged on the peripheral wall of the cylinder seat 5121 in pairs, regular blocks 5127 are radially installed at the top end of the clamping strip 5122, the tail ends of the regular blocks 5127 enclose a clamping space for placing a capacitor, the resistor is placed into the clamping space and abuts against the resistors to achieve regulation of the resistor, and the lower end of the clamping strip 5122 is connected to the peripheral wall of the lower end of the cylinder seat 5121 through the side-push return spring 5124 so as to provide reset tension after the clamping strip swings. Specifically, in this embodiment, the cylinder seat 5121 may be regarded as a T-shaped cylinder with a large outer diameter at the upper end and a small outer diameter at the lower end, a protrusion is integrally formed on the outer peripheral wall of the lower end of the cylinder seat 5121 adjacent to the upper end and located at two sides of the clearance groove, a pin is mounted on the protrusion for hinging the clamping strip 5122, and a space for mounting the side push return spring 5124 is radially formed at the lower end of the cylinder seat 5121.
The bearings 5125 are mounted on the bottom surface of the regulating block 5127, the plurality of bearings 5125 form a supporting space matched with the top end of the lifting rod 5123, the lifting rod 5123 is mounted in the cylinder seat 5121, the bottom end of the lifting rod 5123 extends into the box 511, the motor shaft of the position regulating motor 513 extends into the box 511, the end of the motor shaft is provided with a cam 5131 for matching with the bottom end of the lifting rod 5123, the lifting rod 5123 is driven to lift by the rotation of the cam 5131, the top end of the lifting rod 5123 is provided with a circular table peripheral surface for abutting against the plurality of bearings 5125, and when the lifting rod 5123 lifts, the top of the lifting rod 5123 pushes the plurality of bearings 5125 to move towards the periphery of the cylinder seat 5121 along the radial direction, so as to drive the clamping space to expand, so that the loose capacitor is used for the suction unit 22 to suck or load the capacitor.
It can be understood that by replacing the adaptive side-push return spring 5124 to provide the proper elastic force for returning the normalization block 5127 according to the pressure resistance requirement of the detected capacitance type, the normalization accuracy requirement can be ensured without damaging the capacitance.
The push-down return spring 5126 is sleeved on the lifting rod 5123 for providing a restoring force for maintaining the downward movement of the lifting rod 5123, so that the lifting rod 5123 is maintained to abut against the cam 5131, specifically, the upper end of the push-down return spring 5126 abuts against the bottom surface of the top wall of the box 511, the bottom end of the lifting rod 5123 is fixedly connected with a shaft sleeve, the lower end of the push-down return spring 5126 abuts against the shaft sleeve, so that the push-down return spring 5126 is in a compressed state, so that the shaft sleeve at the bottom end of the lifting rod 5123 is maintained to elastically press against the cam 5131, and the lifting rod 5123 moves upward along with the lifting of the cam 5131 and descends along with the descending of the cam 5131.
The righting component comprises a rotating tray 5130 and a transmission connecting piece (not shown), the rotating tray 5130 is installed on the top wall of the box body 511 and supports the cylinder seat 5121, the rotating tray 5130 is in transmission connection with a motor shaft of the position rotating motor 514 through the transmission connecting piece, and the position rotating motor 514 drives the rotating tray 5130 to rotate so as to drive the clamping component 512 to rotate and rotate the resistor to a required position.
Further, regular normal position structure 51 includes position sensing subassembly 515, position sensing subassembly 515 is used for detecting whether electric capacity falls the position in centre gripping space, position sensing subassembly 515 installs in the upper end periphery of barrel seat 5121 to protrusion in the top surface of barrel seat 5121, position sensing subassembly 515 has the inductive probe, sends horizontally response survey line to the top surface of barrel seat 5121, when resistance installation when centre gripping space, then the survey line is blockked, then can the inductive resistance has fallen the position in centre gripping space, otherwise then can know that centre gripping space does not have the resistance.
When the resistor is normalized and righted, the position normalizing motor 513 is started to drive the cam 5131 to rotate, the jacking rod 5123 is driven to ascend, the abutting bearing 5125 moves towards the periphery of the cylinder seat 5121 along the radial direction, the clamping space is expanded, then the suction unit 22 places the capacitor to be normalized into the clamping space, when the clamping space is enlarged, the clamping strip 5122 swings around the hinged position, the upper end of the clamping strip 5122 swings towards the outer side of the cylinder seat 5121, the lower end of the clamping strip 5122 extrudes the side push reset spring 5124, the jacking rod 5123 descends along with the cam 5131, the side push reset spring 5124 abuts against the clamping strip 5122 to swing back to the original position, the clamping space is reset, the plurality of normalizing blocks 5127 abut against the resistor to achieve normalization of the resistor, then the position rotating motor 514 is started, the clamping assembly 512 is driven to rotate through the position rotating motor 514, the resistor is rotated to a required position, and after righting, the jacking rod 5123 ascends to drive the suction clamping space to expand, so that the capacitor after the normalization unit 22 takes out the capacitor to be placed into the electric detection structure 52.
Further, the regulating and aligning structure 51 includes a first vertical and horizontal adjustment sliding table 516, and the box body 511 is installed on the first vertical and horizontal adjustment sliding table 516, so as to adjust the positions of the clamping assembly 512 and the aligning assembly on the plane.
Further, the alignment structure 51 includes a first plug board platform 517 that is plug-in mounted on the base 10, and the first longitudinal and transverse adjustment sliding table 516 is mounted on the first plug board platform 517, so as to facilitate the integral assembly of the alignment structure 51 on the base 10.
Referring to fig. 10, the electrical detection structure 52 includes a mounting base 521 capable of adjusting height and an electrical detection fixture 522 mounted on the mounting base 521, the electrical detection fixture 522 is provided with a detection groove 5221 for placing a capacitor for detection, a probe is disposed in the detection groove 5221 for electrically connecting the capacitor to perform electrical detection on the capacitor, preferably, 4 probes are disposed in the detection groove 5221, and the tail ends of the 4 probes are connected to a cable of a detection instrument.
Further, the electrical detection structure 52 includes a second vertical and horizontal adjustment sliding table 523, and the mounting base 521 is mounted on the second vertical and horizontal adjustment sliding table 523 for adjusting the position of the electrical detection fixture 522 on the plane.
Further, the electrical testing structure 52 includes a second socket board 524 that is mounted on the base 10 in a plugging manner, and the second longitudinal/transverse adjustment sliding platform 523 is mounted on the second socket board 524, so as to facilitate the integral assembly of the electrical testing structure 52 on the base 10.
The capacitance detection device comprises the following detection methods:
the feed mechanism 30 delivers the capacitance to be tested to the underside of the main turret structure 20,
transferring the capacitor to an appearance detection station by the main turret structure 20, performing appearance detection, removing capacitors with poor appearance, and sucking qualified capacitors through the main turret structure 20 and sending the capacitors to an electrical performance test station;
the electrical property testing mechanism 50 tests the capacity loss property of the capacitor; rejecting capacitors with poor electrical performance, and sucking and sending qualified capacitors to an electric leakage detection station through a main turret structure 20; rejecting capacitors with poor electric leakage, and sucking and conveying qualified capacitors to a packaging station through a main turret structure 20;
the packaging mechanism packages the tested capacitors, and specifically, a producer can select the tray packaging mechanism 70 to be a tray package or the braid packaging mechanism 80 to be a strip package according to the packaging requirements.
The invention provides a capacitor detection device with an overall structure in a disc-shaped layout, the structural design of an appearance detection mechanism 40 and an electrical property testing mechanism 50 is elaborated in detail to improve the detection efficiency of electrical properties, the specific structures of a feeding mechanism 30, an electric leakage detection mechanism 60, a swinging disc packaging mechanism 70 and a braid packaging mechanism 80 are not elaborated, and the structures disclosed in the industry can be adopted.
The appearance detection mechanism 40 is provided, so that the appearance detection of the capacitor to be detected can be rapidly and smoothly realized, and bad capacitors are eliminated; by adopting the regular righting structure 51, the electrical property testing mechanism 50 can realize that the resistor to be detected is quickly and accurately regular in structure and rotates to an accurate moving position so as to move to the electrical property detecting structure 52 for electrical property detection, and can greatly improve the electrical property detection efficiency. In addition, the feeding mechanism 30, the appearance detection mechanism 40, the electrical property testing mechanism 50, the electric leakage detection mechanism 60, the swinging disc packaging mechanism 70 and the braid packaging mechanism 80 are designed in a circular disc shape around the main turret structure 20, so that the actions among the mechanisms are coherent and compact, and the space occupied by the whole capacitance detection device is greatly saved due to the compact layout.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are equally encompassed.
Claims (6)
1. A capacitance detection device, characterized by: the device comprises a base (10), a main turret structure (20) arranged on the base (10), a feeding mechanism (30), an appearance detection mechanism (40), an electrical property testing mechanism (50), an electric leakage detection mechanism (60) and a packaging mechanism, wherein the feeding mechanism (30), the appearance detection mechanism (40), the electrical property testing mechanism (60) and the packaging mechanism are sequentially arranged around the main turret structure (20) and correspondingly form a plurality of stations, the main turret structure (20) comprises a main turret (21) and a plurality of suction units (22) which are arranged around the main turret (21) at equal intervals, the suction units (22) are driven to rotate through the rotation of the main turret (21), the suction units (22) are used for sucking and transferring capacitors from the previous station to the next station, the feeding mechanism (30) is used for providing capacitors to the lower part of the main turret structure (20) so as to suck and transfer the main turret structure (20), the appearance detection mechanism (40) is used for detecting the appearance of the capacitors, the electrical property testing mechanism (50) is used for testing the capacity loss performance of the capacitors, the electric leakage detection mechanism (60) is used for detecting whether the capacitors have electric leakage or not, and the packaging mechanism is used for packaging the tested capacitors;
the appearance detection mechanism (40) comprises a camera module (413) and a seat body mechanism (42) for shooting, which is arranged below the camera module (413), wherein the seat body mechanism (42) for shooting comprises a base (421), an air guide disc (422), a first negative pressure generating assembly (425) and a second negative pressure generating assembly (426), a top plate (4211) is arranged at the top of the base (421), the air guide disc (422) is fixedly arranged on the top plate (4211) of the base (421), a negative pressure air groove section (4221) and an air taking and placing groove section (4222) which are annularly arranged and are not communicated are arranged on the top surface of the air guide disc (422), the camera module (413) is positioned above the negative pressure air groove section (4221) and correspondingly forms a shooting station, one part, opposite to the shooting station, of the shooting air groove section (4222) forms the shooting station, the first negative pressure generating assembly (425) is communicated with the negative pressure air groove section (4221), the first negative pressure generating assembly (425) maintains the negative pressure air groove section (4221) at negative pressure to suck and install a capacitor in the placing groove (4231), the second negative pressure generating assembly (426) is communicated with the shooting air groove section (4222), and the second negative pressure generating assembly (426) achieves fixed sucking of the capacitor at the shooting and placing station during placing or releasing sucking and taking during moving through air pressure switching;
the shooting seat body mechanism (42) further comprises a groove cleaning assembly (427), the groove cleaning assembly (427) comprises a support (4271) and an air blowing unit (4272), the air blowing unit (4272) is supported by the support (4271), the height and the swing angle are adjustable, the air blowing direction of the air blowing unit (4272) faces to the picking and placing station, so that air can be further blown after the capacitor of the picking and placing station is taken away by the suction unit (22), and the picking and placing station can be further cleaned;
the appearance detection mechanism (40) further comprises a defective product collection structure (43), the defective product collection structure (43) comprises a fixed cabinet frame (431), a material receiving box (432) which is installed in the fixed cabinet frame (431) in a withdrawable mode, and a material guide pipe (433) which is installed at the top end of the fixed cabinet frame (431), and a proximity switch (4311) is arranged on the fixed cabinet frame (431) and used for judging the in-place state when the material receiving box (432) is installed in the fixed cabinet frame (431);
the electric performance testing mechanism (50) comprises a regular normal position structure (51) and an electric performance testing structure (52), the regular normal position structure (51) comprises a box body (511), a clamping assembly (512) and a position sensing assembly (515), the clamping assembly (512) comprises a cylinder seat (5121), a clamping strip (5122), a jacking rod (5123), a side-push reset spring (5124), a bearing (5125) and a lower push-down reset spring (5126), the cylinder seat (5121) is installed on the box body (511), the clamping strip (5122) is hinged on the peripheral wall of the cylinder seat (5121), the top ends of the clamping strip (5122) are radially provided with a gauge (5127), the tail ends of a plurality of gauge blocks (5127) form a clamping shaft sleeve space for placing a capacitor, the lower end of the clamping strip (5122) is connected to the peripheral wall of the lower end of the cylinder seat (5121) through the side-push reset spring (5124), the bearing (5125) is installed on the bottom surface of the gauge (5127), the bearing (5125) is matched with the jacking rod (5123) to form a jacking space at the top end of the jacking rod (23), the jacking rod (5123), the lower end of the lower push-down reset spring (5126) is fixedly connected on the lower end of the lower push-down reset spring (5126) of the box body (511) and fixedly connected to the box body (511) so that the lower push-down reset spring (5126) and the box body (511) and the lower reset spring (5126), the push-down return spring (5126) provides restoring force for maintaining the downward movement of the jacking rod (5123) so that the jacking rod (5123) is maintained to abut against the cam (5131); the position sensing assembly (515) is arranged on the periphery of the upper end of the cylinder seat (5121), protrudes out of the top surface of the cylinder seat (5121) and is used for detecting whether the capacitor is located in the clamping space or not; the regular righting structure (51) comprises a first longitudinal and transverse adjusting sliding table (516) and a first plug board table (517) which is installed on the base (10) in a plug-in mode, the first longitudinal and transverse adjusting sliding table (516) is installed on the first plug board table (517), and the box body (511) is installed on the first longitudinal and transverse adjusting sliding table (516);
the electrical detection structure (52) comprises a mounting base (521) capable of adjusting the height, an electrical detection jig (522) mounted on the mounting base (521), a second longitudinal and transverse adjustment sliding table (523) and a second plug board table (524) capable of being mounted on the base (10) in a plug-in mode, wherein a detection groove (5221) is formed in the electrical detection jig (522) and used for placing in a capacitor for detection, the mounting base (521) is mounted on the second longitudinal and transverse adjustment sliding table (523), and the second longitudinal and transverse adjustment sliding table (523) is mounted on the second plug board table (524).
2. The capacitance detection device according to claim 1, wherein: the base body mechanism (42) for shooting comprises a rotary cover (423) and a rotary cover driving motor (424), the rotary cover (423) is rotatably covered on the top surface of an air guide disc (422), a plurality of placing grooves (4231) are formed in the top surface of the rotary cover (423) at equal intervals along a circular line and used for placing capacitors, air passing holes (4232) are formed in the bottoms of the placing grooves (4231) and correspondingly communicated with a negative pressure air groove section (4221) or a gas taking and placing groove section (4222), the rotary cover driving motor (424) is installed on the bottom surface of a top plate (4211) of a base (421), a motor shaft of the rotary cover driving motor (424) penetrates through the top plate (4211) and the air guide disc (422) to be fixedly connected with the rotary cover (423) so as to drive the rotary cover (423) to rotate, and the placing grooves (4231) correspondingly rotate to a taking and placing station or a shooting station in sequence.
3. The capacitance detection device according to claim 2, wherein: the placing groove (4231) is fixedly provided with an installation block, a fixing groove matched with the shape of the corresponding capacitor is formed in the installation block to be used for placing the capacitor, and a through hole is formed in the bottom of the fixing groove to be communicated with the air passing hole (4232).
4. The capacitance detection device according to claim 1, wherein: regular normal position structure (51) is including installing in the regular motor in position (513) in box (511) outside, jacking rod (5123) are installed in barrel holder (5121) and jacking rod (5123) bottom extends to in box (511), the motor shaft of regular motor in position (513) stretches into in box (511), and cam (5131) are installed to the end of its motor shaft, the bottom of cam (5131) cooperation jacking rod (5123), rotate through cam (5131) and drive jacking rod (5123) and go up and down, jacking rod (5123) top has the round platform global and a plurality of bearing (5125) are supported and are pasted to when jacking rod (5123) rose, jacking rod (5123) top is supported and is pushed a plurality of bearings (5125) and is removed to barrel holder (5121) periphery, drives the centre gripping space expansion.
5. The capacitance detection device according to claim 4, wherein: regular normal position structure (51) include normal position subassembly and install position rotating electrical machines (514) in box (511) outside, normal position subassembly is including rotating tray (5130) and transmission connecting piece, rotates tray (5130) and installs the top and the bearing at box (511) barrel holder (5121), rotate tray (5130) through the transmission connecting piece with the motor shaft transmission of position rotating electrical machines (514) is connected, drives through position rotating electrical machines (514) rotate tray (5130), in order to drive centre gripping subassembly (512) are rotatory, rotate resistance to required position.
6. A method for detecting a capacitance detecting device, which comprises the steps of:
a feeding mechanism (30) delivers the capacitance to be tested to below the main turret structure (20);
the main turret structure (20) absorbs the capacitance to transfer and place the capacitance to an appearance detection station, appearance detection is carried out, the capacitance with poor appearance is eliminated, and the qualified capacitance is absorbed and sent to an electrical property testing station through the main turret structure (20);
the electrical property testing mechanism (50) tests the capacity loss property of the capacitor; rejecting capacitors with poor electrical performance, and sucking and sending qualified capacitors to an electric leakage detection station through a main turret structure (20); rejecting capacitors with poor electric leakage, and sucking qualified capacitors through a main turret structure (20) and sending the capacitors to a packaging station;
and packaging the tested capacitor by a packaging mechanism.
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CN117840052B (en) * | 2024-03-08 | 2024-05-14 | 苏州中航天成电子科技有限公司 | Full-automatic detection and sorting device for packaging electronic components |
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